Showing 141 - 160 results of 186 for search '"molecular structure"', query time: 0.06s Refine Results
  1. 141

    Study of Ge-Sb-Te Superlattice Structure Based on Topological Descriptors by Xiujun Zhang, Muhammad Naeem, Abdul Rauf, Adnan Aslam, Zafar Iqbal, Abudulai Issa

    Published 2022-01-01
    “…Topological descriptors are numerical values given to molecular structures that may be used to predict specific physical/chemical characteristics. …”
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    Article
  2. 142

    Antifungal and Antioxidant Activities of Pyrrolidone Thiosemicarbazone Complexes by Ahmed A. Al-Amiery, Abdul Amir H. Kadhum, Abu Bakar Mohamad

    Published 2012-01-01
    “…DFT calculations of the Cu complex were performed using molecular structures with optimized geometries. Molecular orbital calculations provide a detailed description of the orbitals, including spatial characteristics, nodal patterns, and the contributions of individual atoms.…”
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    Article
  3. 143

    Study of Vanadium Carbide Structures Based on Ve and Ev-Degree Topological Indices by Abdul Rauf, Saba Maqbool, Muhammad Naeem, Adnan Aslam, Hamideh Aram, Kraidi Anoh Yannick

    Published 2021-01-01
    “…Topological descriptors are numerical numbers assigned to the molecular structures and have the ability to predict certain of their physical/chemical properties. …”
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    Article
  4. 144

    Syntheses of Marine Natural Products via Matteson Homologations and Related Processes by Uli Kazmaier

    Published 2025-01-01
    “…Matteson homologation, a successive extension of chiral boronic esters, is perfectly suited for the synthesis of complex molecular structures containing several stereogenic centers. …”
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    Article
  5. 145
  6. 146

    Development of Integrated Actinide Chemistry Application, AACE, for Acceleration of Actinide Chemistry Experiments by Nakase Masahiko, Nishihara Takahiro, Ikhwan Fauzia Hanum, Okamura Tomohiro, Matsui Kota

    Published 2025-01-01
    “…Our approach utilizes Hansen’s solubility parameters derived from molecular structures to predict solubility and extractability, create extraction models for MA surrogate Lanthanide (Ln) and MA. …”
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    Article
  7. 147

    Synthesis and Antioxidant Activities of Novel 5-Chlorocurcumin, Complemented by Semiempirical Calculations by Ahmed A. Al-Amiery, Abdul Amir H. Kadhum, Hasan R. Obayes, Abu Bakar Mohamad

    Published 2013-01-01
    “…Theory calculations of the synthesised 5-chlorocurcumin were performed using molecular structures with optimised geometries. Molecular orbital calculations provided a detailed description of the orbitals, including spatial characteristics, nodal patterns, and the contributions of individual atoms.…”
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    Article
  8. 148

    On Topological Descriptors of Certain Metal-Organic Frameworks by Peng Xu, Mehran Azeem, Muhammad Mubashir Izhar, Syed Mazhar Shah, Muhammad Ahsan Binyamin, Adnan Aslam

    Published 2020-01-01
    “…QSPRs (quantitative structure-property relationships) and QSARs (quantitative structure-activity relationships) are mathematical correlations between a specified molecular property or biological activity and one or more physicochemical and/or molecular structural properties. In this paper, we give explicit expressions of some degree-based topological indices of two classes of metal-organic frameworks (MOFs), namely, butylated hydroxytoluene- (BHT-) based metal-organic (M=Co, Fe, Mn, Cr) (MBHT) frameworks and M1TPyP−M2 (TPyP = 5,10,15,20-tetrakis(4-pyridyl)porphyrin and M1,M2 = Fe and Co) MOFs.…”
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  9. 149

    Chemical Speciation of the System Cu(II)-Indomethacin in Ethanol and Water by UV-Vis Spectrophotometry by Norma Rodríguez-Laguna, Luis I. Reyes-García, Rosario Moya-Hernández, Alberto Rojas-Hernández, Rodolfo Gómez-Balderas

    Published 2016-01-01
    “…The stoichiometry of the complexes Cu(II)–Indomethacin and their formation constants were investigated. Moreover, molecular structures of the Cu(II)–Indomethacin complexes were explored by means of the molecular modeling within the frame of the density functional theory.…”
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    Article
  10. 150

    Chemical Application of Topological Indices in Infertility Treatment Drugs and QSPR Analysis by Sobia Sultana

    Published 2023-01-01
    “…To improve drug research and assess the effectiveness of treatments, topological indices aim to provide a mathematical representation of molecular structures. In this study, the author examined a number of recently used drugs, including tamoxifen, mesterolone, anastrozole, and letrozole which are used to treat infertility. …”
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    Article
  11. 151

    Theoretical Analysis of Superphenalene Using Different Kinds of VDB Indices by K. Julietraja, Ammar Alsinai, Abdu Alameri

    Published 2022-01-01
    “…Topological indices (TIs) are numerical quantities that enable theoretical chemists to analyse molecular structures mathematically. These TIs are essential to exploring chemical compounds using theoretical techniques like QSAR/QSPR methods. …”
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    Article
  12. 152

    New Copper and Oxomolybdate Robson-Type Polynuclear Macrocyclic Complexes: Structure, Spectroscopy, and Electrochemical Properties by Marcelo Carpes Nunes, Marcos Antonio Ribeiro, Fábio Souza Nunes

    Published 2015-01-01
    “…The polynuclear complexes [Mo3O8(tidf)]·dmso·2H2O (1) and [{Cu2(tidf)}2(μ-Mo8O24)] (2) (tidf2− is a symmetrical tetraiminodiphenolate Robson-type macrocyclic ligand) were prepared from equimolar combinations of [Mg2(tidf)](NO3)2·4H2O, [MoO2Cl2(dmso)2] (for 1) and complex 1 and Cu(ClO4)2·4H2O (for 2) in acetonitrile. Molecular structures of both complexes were determined and showed atypical modes of coordination. …”
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    Article
  13. 153

    Density Functional Theory Study on the Electronic Structures of Oxadiazole Based Dyes as Photosensitizer for Dye Sensitized Solar Cells by Umer Mehmood, Ibnelwaleed A. Hussein, Khalil Harrabi, Shakeel Ahmed

    Published 2015-01-01
    “…The molecular structures and UV-visible absorption spectra of complex photosensitizers comprising oxadiazole isomers as the π-bridges were analyzed by density functional theory (DFT) and time-dependent DFT. …”
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    Article
  14. 154

    Computation of Differential, Integral Operators and Quantitative Structure–Property Analysis of Boron α-Icosahedral Nanosheet by Khalil Hadi Hakami, Abdul Rauf Khan, Saad Amin Bhatti

    Published 2025-01-01
    “…Chemical graph theory employs connectivity descriptors to analyze molecular structures, providing crucial insights into many chemical compounds’ chemical and biological characteristics. …”
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    Article
  15. 155

    Antibody association in solution: cluster distributions and mechanisms by Sandi Brudar, Leonid Breydo, Elisha Chung, Ken A. Dill, Nasim Ehterami, Ketan Phadnis, Samir Senapati, Mohammed Shameem, Xiaolin Tang, Muhammmad Tayyab, Barbara Hribar-Lee

    Published 2024-12-01
    “…Solutions were modeled using the statistical-physics Wertheim liquid-solution theory, representing antibodies as Y-shaped molecular structures of seven beads each. We found that high-viscosity solutions result from more antibody molecules per cluster. …”
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    Article
  16. 156

    Density Functional Theory Study on Conformers of Benzoylcholine Chloride by Mustafa Karakaya, Fatih Ucun, Ahmet Tokatlı

    Published 2013-01-01
    “…The optimized molecular structures and vibrational frequencies and also gauge including atomic orbital (GIAO) 1H and 13C NMR shift values of benzoylcholine chloride [(2-benzoyloxyethyl) trimethyl ammonium chloride] have been calculated using density functional theory (B3LYP) method with 6-31++G(d) basis set. …”
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    Article
  17. 157

    VDB Entropy Measures and Irregularity-Based Indices for the Rectangular Kekulene System by Weidong Zhao, K. Julietraja, P. Venugopal, Xiujun Zhang

    Published 2021-01-01
    “…Entropic network measures are a type of TIs with a broad array of applications, involving quantitative characterization of molecular structures and the investigation of some specific chemical properties of molecular graphs. …”
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  18. 158

    multistrap: boosting phylogenetic analyses with structural information by Athanasios Baltzis, Luisa Santus, Björn E. Langer, Cedrik Magis, Damien M. de Vienne, Olivier Gascuel, Leila Mansouri, Cedric Notredame

    Published 2025-01-01
    “…Our approach relies on the systematic comparison of homologous intra-molecular structural distances. These variations exhibit less saturation than sequence-based Hamming distances and support the computation of tree-like distance matrices resolvable into phylogenetic trees using distance-based methods such as minimum evolution. …”
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    Article
  19. 159

    Distance and degree based topological characterization, spectral and energetic properties, and 13C NMR signals of holey nanographene by Savari Prabhu, M. Arulperumjothi, Fikadu Tesgera Tolasa, S. Govardhan

    Published 2025-04-01
    “…Cycloarenes represent a class of polycyclic aromatic compounds distinguished by their intricate molecular structures, where multiple benzene rings are fused together to form macrocyclic frameworks. …”
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    Article
  20. 160

    Optimization of HIV drugs through MCDM technique Analytic Hierarchy Process(AHP). by Fozia Bashir Farooq, Sobia Sultana, Nouf Abdulrahman Alqahtani, Muhammad Imran

    Published 2025-01-01
    “…Employing degree-based graph invariants, the study investigates 13 HIV drugs by applying a quantitative structure-property relationship (QSPR) technique to associate their molecular structures with their physical properties. HIV drugs are ranked using the Analytic Hierarchy Process (AHP) according to specific parameters. …”
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    Article